In text classification, we advance an automatic text classification way based on clustering and Rough Set Theory.
在文本分类方面，本文提出了一种基于聚类和粗糙集理论相结合的文本自动分类方法。
Secondly, the system can distinguish the domain of the web page and understand the document at the concept level by text classification, clustering and concept extraction based machine learning.
其次，采用机器学习技术，包括文本分类、聚类，文本概念抽取，从概念层次理解文本信息；
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